// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_LIBPLATFORM_TRACING_TRACE_WRITER_H_
#define V8_LIBPLATFORM_TRACING_TRACE_WRITER_H_

#include "include/libplatform/v8-tracing.h"

namespace v8 {
namespace platform {
    namespace tracing {

        class JSONTraceWriter : public TraceWriter {
        public:
            explicit JSONTraceWriter(std::ostream& stream);
            JSONTraceWriter(std::ostream& stream, const std::string& tag);
            ~JSONTraceWriter() override;
            void AppendTraceEvent(TraceObject* trace_event) override;
            void Flush() override;

        private:
            void AppendArgValue(uint8_t type, TraceObject::ArgValue value);
            void AppendArgValue(v8::ConvertableToTraceFormat*);

            std::ostream& stream_;
            bool append_comma_ = false;
        };

    } // namespace tracing
} // namespace platform
} // namespace v8

#endif // V8_LIBPLATFORM_TRACING_TRACE_WRITER_H_
